Home / 7,239.32-10,858.96-2,045.20

Finding the Fourth Proportional to 7,239.32, 10,858.96 and 2,045.20

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Solution

The fourth proportional to 7,239.32, 10,858.96 and 2,045.20 is: 3,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.32 : 10,858.96 = 2,045.20 : x
  2. Step 2: Convert to fraction form
    7,239.32/10,858.96 = 2,045.20/x
  3. Step 3: Cross multiply
    7,239.32x = 10,858.96 × 2,045.20
  4. Step 4: Simplify right side
    7,239.32x = 22,208,744.99
  5. Step 5: Solve for x
    x = 22,208,744.99/7,239.32
  6. Step 6: Final answer
    x = 3,067.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.